Illinois High School Association

The Illinois High School Association administers girls’ high-school softball, including the statewide postseason series. The annual tournament progresses through regional, sectional and super-sectional rounds to state-final competition in Classes 1A through 4A. The 2026 state finals were played at the Louisville Slugger Sports Complex in Peoria from June 4 to 6. Dakota won the Class 1A title with a 2–1 final against Waltonville [Coop], while New Lenox Lincoln-Way West won the Class 4A championship 6–1 over Mundelein. IHSA also maintains season summaries and a table of softball titles covering school qualifications, trophies and championships.